static void ofp_ifconfig(void)
{
struct ifaddrs *ifap, *ifa;
struct sockaddr_in *sa;
int port = 0;
getifaddrs(&ifap);
for (ifa = ifap; ifa; ifa = ifa->ifa_next)
if (ifa->ifa_addr->sa_family == AF_INET) {
sa = (struct sockaddr_in *) ifa->ifa_addr;
OFP_DBG("Interface: %s\tAddress: %x\n",
ifa->ifa_name, sa->sin_addr.s_addr);
ofp_ifnet_create(ifa->ifa_name, NULL, NULL, NULL);
ofp_config_interface_up_v4(port++, 0, 0,
sa->sin_addr.s_addr, 24);
}
freeifaddrs(ifap);
return;
}
int ofp_init_global(ofp_init_global_t *params)
{
int i;
HANDLE_ERROR(ofp_init_pre_global(NULL, NULL,
params->pkt_hook, NULL,
ARP_AGE_INTERVAL, ARP_ENTRY_TIMEOUT));
/* cpu mask for slow path threads */
odp_cpumask_zero(&cpumask);
odp_cpumask_set(&cpumask, params->linux_core_id);
OFP_INFO("Slow path threads on core %d", odp_cpumask_first(&cpumask));
HANDLE_ERROR(ofp_set_vxlan_interface_queue());
/* Create interfaces */
for (i = 0; i < params->if_count; ++i)
HANDLE_ERROR(ofp_ifnet_create(params->if_names[i],
params->burst_recv_mode ? ODP_PKTIN_MODE_RECV :
ODP_PKTIN_MODE_SCHED));
#ifdef SP
/* Start Netlink server process */
if (!ofp_linux_pthread_create(&shm->nl_thread,
&cpumask,
START_NL_SERVER,
NULL,
ODP_THREAD_CONTROL)) {
OFP_ERR("Failed to start Netlink thread.");
return -1;
}
shm->nl_thread_is_running = 1;
#endif /* SP */
odp_schedule_resume();
return 0;
}
/** main() Application entry point
*
* @param argc int
* @param argv[] char*
* @return int
*
*/
int main(int argc, char *argv[])
{
odph_linux_pthread_t thread_tbl[MAX_WORKERS], dispatcher_thread;
appl_args_t params;
int core_count, num_workers;
odp_cpumask_t cpu_mask;
int first_cpu, i;
struct pktio_thr_arg pktio_thr_args[MAX_WORKERS];
odp_pktio_param_t pktio_param;
odp_pktin_queue_param_t pktin_param;
odp_pktout_queue_param_t pktout_param;
odp_pktio_t pktio;
int port, queue_id;
odph_linux_thr_params_t thr_params;
odp_instance_t instance;
struct pktin_table_s {
int num_in_queue;
odp_pktin_queue_t in_queue[OFP_PKTIN_QUEUE_MAX];
} pktin_table[OFP_FP_INTERFACE_MAX];
/* Parse and store the application arguments */
parse_args(argc, argv, ¶ms);
if (params.if_count > OFP_FP_INTERFACE_MAX) {
printf("Error: Invalid number of interfaces: maximum %d\n",
OFP_FP_INTERFACE_MAX);
exit(EXIT_FAILURE);
}
if (odp_init_global(&instance, NULL, NULL)) {
OFP_ERR("Error: ODP global init failed.\n");
exit(EXIT_FAILURE);
}
if (odp_init_local(instance, ODP_THREAD_CONTROL)) {
OFP_ERR("Error: ODP local init failed.\n");
exit(EXIT_FAILURE);
}
/* Print both system and application information */
print_info(NO_PATH(argv[0]), ¶ms);
core_count = odp_cpu_count();
num_workers = core_count;
if (params.core_count && params.core_count < core_count)
num_workers = params.core_count;
if (num_workers > MAX_WORKERS)
num_workers = MAX_WORKERS;
/*
* By default core #0 runs Linux kernel background tasks.
* Start mapping thread from core #1
*/
if (num_workers > 1) {
num_workers--;
first_cpu = 1;
} else {
OFP_ERR("Burst mode requires multiple cores.\n");
exit(EXIT_FAILURE);
}
if (num_workers < params.if_count) {
OFP_ERR("At least %u fastpath cores required.\n",
params.if_count);
exit(EXIT_FAILURE);
}
printf("Num worker threads: %i\n", num_workers);
printf("first CPU: %i\n", first_cpu);
memset(&app_init_params, 0, sizeof(app_init_params));
app_init_params.linux_core_id = 0;
if (ofp_init_global(instance, &app_init_params)) {
OFP_ERR("Error: OFP global init failed.\n");
exit(EXIT_FAILURE);
}
if (ofp_init_local()) {
OFP_ERR("Error: OFP local init failed.\n");
exit(EXIT_FAILURE);
}
odp_pktio_param_init(&pktio_param);
pktio_param.in_mode = ODP_PKTIN_MODE_DIRECT;
pktio_param.out_mode = ODP_PKTOUT_MODE_DIRECT;
odp_pktin_queue_param_init(&pktin_param);
pktin_param.op_mode = ODP_PKTIO_OP_MT;
pktin_param.hash_enable = 0;
pktin_param.hash_proto.all_bits = 0;
pktin_param.num_queues = 1;
odp_pktout_queue_param_init(&pktout_param);
pktout_param.num_queues = 1;
pktout_param.op_mode = ODP_PKTIO_OP_MT;
for (i = 0; i < params.if_count; i++) {
if (ofp_ifnet_create(instance, params.if_names[i],
&pktio_param,
&pktin_param,
&pktout_param) < 0) {
OFP_ERR("Failed to init interface %s",
params.if_names[i]);
exit(EXIT_FAILURE);
}
pktio = odp_pktio_lookup(params.if_names[i]);
if (pktio == ODP_PKTIO_INVALID) {
OFP_ERR("Failed locate pktio %s",
params.if_names[i]);
exit(EXIT_FAILURE);
}
pktin_table[i].num_in_queue = odp_pktin_queue(pktio,
pktin_table[i].in_queue, OFP_PKTIN_QUEUE_MAX);
if (pktin_table[i].num_in_queue < 0) {
OFP_ERR("Failed get input queues for %s",
params.if_names[i]);
exit(EXIT_FAILURE);
}
}
memset(thread_tbl, 0, sizeof(thread_tbl));
memset(pktio_thr_args, 0, sizeof(pktio_thr_args));
for (i = 0; i < num_workers; ++i) {
pktio_thr_args[i].pkt_func = ofp_eth_vlan_processing;
port = i % params.if_count;
queue_id = (i / params.if_count) %
pktin_table[port].num_in_queue;
pktio_thr_args[i].pktin = pktin_table[port].in_queue[queue_id];
odp_cpumask_zero(&cpu_mask);
odp_cpumask_set(&cpu_mask, first_cpu + i);
thr_params.start = pkt_io_recv;
thr_params.arg = &pktio_thr_args[i];
thr_params.thr_type = ODP_THREAD_WORKER;
thr_params.instance = instance;
odph_linux_pthread_create(&thread_tbl[i],
&cpu_mask,
&thr_params);
}
odp_cpumask_zero(&cpu_mask);
odp_cpumask_set(&cpu_mask, app_init_params.linux_core_id);
thr_params.start = event_dispatcher;
thr_params.arg = NULL;
thr_params.thr_type = ODP_THREAD_WORKER;
thr_params.instance = instance;
odph_linux_pthread_create(&dispatcher_thread,
&cpu_mask,
&thr_params);
/* Start CLI */
ofp_start_cli_thread(instance, app_init_params.linux_core_id,
params.conf_file);
odph_linux_pthread_join(thread_tbl, num_workers);
printf("End Main()\n");
return 0;
}
